fix(biome): fix remaining lint errors — useless fragment, parseInt radix, array index keys

[andrew-bierman]

Summary

• Remove useless <> fragment wrapper in LocationPicker.tsx (noUselessFragments)
• Add radix 10 to parseInt calls in spec-parser.ts (useParseIntRadix)
• Use URL as image key instead of array index in PostCard and PostDetailScreen (noArrayIndexKey) — previous biome-ignore comments were placed before the element start, but the violation fires at the key attribute line; switching to key={img} removes the issue cleanly

Follow-up to

Closes out the remaining biome errors that were still present after #2054 merged.

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🤖 Generated with Claude Code

Co-Authored-By: Claude noreply@anthropic.com

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[Copilot]

Pull request overview

This PR addresses the remaining Biome lint violations by making small, targeted code edits across the analytics parser and Expo UI components.

Changes:

• Added explicit radix (10) to Number.parseInt calls in the analytics spec parser.
• Removed a useless React fragment wrapper in LocationPicker.
• Replaced array-index-based React keys with stable image-key strings in feed image lists.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
packages/analytics/src/core/spec-parser.ts	Adds radix 10 to parseInt calls to satisfy useParseIntRadix.
apps/expo/features/weather/components/LocationPicker.tsx	Removes an unnecessary fragment wrapper to satisfy noUselessFragments.
apps/expo/features/feed/screens/PostDetailScreen.tsx	Uses image key string as the React key instead of array index to satisfy noArrayIndexKey.
apps/expo/features/feed/components/PostCard.tsx	Uses image key string as the React key instead of array index to satisfy noArrayIndexKey.